# Tag Info

The reported crystallographic density for sodium 3-(trimethylsilyl)-1-propane-sulfonic acid monohydrate is $\pu{1.32 g cm^-3}$ [1]. The title compound which is used as reference for some NMR spectra in $\ce{D2O},$ was obtained casualy during an attempt to crystallize a cephalosporin of a serie we are interesting for […]. The X-ray analysis was undertaken ...